Kim Proctor was no different than your ordinary teenage girl. Easily hurt by insults and just as easily swayed by compliments, she dwelled in an angsty purgatory familiar to most adolescents. But when Kim went from average kid to missing girl, her storyline took a tragic turn.

Groupon was one of the fastest-growing companies in history, spurning $6 billion takeout offers from Google, preparing to go public at a valuation fo $25+ billion. Then suddenly, everyone was talking about it running out of cash.